The Gear,helical, cataloged under National Stock Number 3020-01-366-2114, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-01-366-2114 |
| Primary Part Number | 77198F01 |
| Item Name | Gear,helical |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Manufacturer | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am |
| Status | ACTIVE |
| Hub Nominal Diameter | 30.0 MILLIMETERS BOTH ENDS MM |
| Teeth Quantity | 10 |
| Style Designator | PROTRUDING HUBS |
| Pitch Diameter | 60.0 MILLIMETERS NOMINAL MM |
| Hub Style Designator | PLAIN BOTH ENDS |
| Nominal Outside Diameter | 72.0 MILLIMETERS MM |
| Pressure Angle | 22.0000 DEGREES |
| Material | STEEL OVERALL |
| Face Nominal Width | 75.0 MILLIMETERS MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 310477F01 | Isotta Fraschini Motori Spa (ITA) |
| 77198F01 PRIMARY | Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (USA) |
| Reference | Meaning |
|---|---|
| 310477F01 | 5/9 Secondary reference Grandi Motori Fincantieri /fggm/ Div |
| 310477F01VM | C/1 Advisory reference — outside the item-of-supply concept Naval Inventory Control Point Mechanicsburg |
NSN 3020-01-366-2114 is a Gear,helical, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
NSN 3020-01-366-2114 has 2 manufacturer part numbers on file: 310477F01 (Isotta Fraschini Motori Spa), 77198F01 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).
Key specifications for 77198F01: Hub Nominal Diameter: 30.0 MILLIMETERS BOTH ENDS MM; Teeth Quantity: 10; Style Designator: PROTRUDING HUBS; Pitch Diameter: 60.0 MILLIMETERS NOMINAL MM. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.